/* ==========================================================================
   LUI VISUAL STUDIO — CYBER DIALOG & TOAST SYSTEM
   Replaces default browser alert() and confirm() with themed cyber UI
   ========================================================================== */

:root {
  --cyber-cyan: #00f0ff;
  --cyber-cyan-glow: rgba(0, 240, 255, 0.4);
  --cyber-green: #00ff88;
  --cyber-green-glow: rgba(0, 255, 136, 0.4);
  --cyber-orange: #ff6600;
  --cyber-orange-glow: rgba(255, 102, 0, 0.4);
  --cyber-rose: #ff3366;
  --cyber-rose-glow: rgba(255, 51, 102, 0.4);
  --cyber-purple: #c084fc;
  --cyber-purple-glow: rgba(192, 132, 252, 0.4);
}

/* 1. Cyber Toast System */
#luiToastContainer {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999999;
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 10px;
  pointer-events: none;
  max-width: 90vw;
  width: max-content;
}

.lui-toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-radius: 12px;
  background: rgba(10, 14, 26, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--toast-border, var(--cyber-cyan));
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px var(--toast-glow, var(--cyber-cyan-glow));
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.4;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 480px;
  box-sizing: border-box;
}

.lui-toast.show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.lui-toast.hide {
  opacity: 0;
  transform: translateY(15px) scale(0.95);
}

.lui-toast-icon {
  font-size: 1.1rem;
  color: var(--toast-color, var(--cyber-cyan));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lui-toast-msg {
  flex: 1;
  word-break: break-word;
}

.lui-toast-close {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  padding: 2px 4px;
  font-size: 0.85rem;
  line-height: 1;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
  margin-left: 6px;
  flex-shrink: 0;
}

.lui-toast-close:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* Toast Themes */
.lui-toast-info {
  --toast-border: var(--cyber-cyan);
  --toast-color: var(--cyber-cyan);
  --toast-glow: var(--cyber-cyan-glow);
}
.lui-toast-success {
  --toast-border: var(--cyber-green);
  --toast-color: var(--cyber-green);
  --toast-glow: var(--cyber-green-glow);
}
.lui-toast-warning {
  --toast-border: var(--cyber-orange);
  --toast-color: var(--cyber-orange);
  --toast-glow: var(--cyber-orange-glow);
}
.lui-toast-error {
  --toast-border: var(--cyber-rose);
  --toast-color: var(--cyber-rose);
  --toast-glow: var(--cyber-rose-glow);
}

/* 2. Cyber Dialog Backdrop & Modal */
#luiDialogBackdrop {
  position: fixed;
  inset: 0;
  z-index: 9999998;
  background: rgba(4, 7, 16, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  box-sizing: border-box;
}

#luiDialogBackdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.lui-dialog-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: linear-gradient(135deg, rgba(13, 17, 30, 0.98), rgba(7, 10, 20, 0.99));
  border: 1px solid var(--dialog-border, var(--cyber-cyan));
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75), 0 0 35px var(--dialog-glow, var(--cyber-cyan-glow)), inset 0 0 20px rgba(255, 255, 255, 0.02);
  border-radius: 18px;
  padding: 24px;
  box-sizing: border-box;
  transform: scale(0.92) translateY(12px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

#luiDialogBackdrop.active .lui-dialog-card {
  transform: scale(1) translateY(0);
}

/* Card Glow Corner Effect */
.lui-dialog-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--dialog-border, var(--cyber-cyan)), transparent);
}

.lui-dialog-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.lui-dialog-icon-box {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--dialog-border, var(--cyber-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--dialog-color, var(--cyber-cyan));
  box-shadow: 0 0 15px var(--dialog-glow, var(--cyber-cyan-glow));
  flex-shrink: 0;
}

.lui-dialog-title-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-top: 2px;
}

.lui-dialog-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--dialog-color, var(--cyber-cyan));
  text-transform: uppercase;
}

.lui-dialog-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #fff;
  margin: 0;
  line-height: 1.3;
}

.lui-dialog-body {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.88rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 22px;
  word-break: break-word;
  white-space: pre-line;
}

.lui-dialog-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.lui-dialog-btn {
  font-family: 'Orbitron', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 10px 18px;
  border-radius: 10px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
}

.lui-dialog-btn:active {
  transform: scale(0.97);
}

.lui-dialog-btn-primary {
  background: var(--dialog-btn-bg, var(--cyber-cyan));
  color: #030712;
  border: 1px solid var(--dialog-border, var(--cyber-cyan));
  box-shadow: 0 0 20px var(--dialog-glow, var(--cyber-cyan-glow));
}

.lui-dialog-btn-primary:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 25px var(--dialog-glow, var(--cyber-cyan-glow));
}

.lui-dialog-btn-cancel {
  background: rgba(255, 255, 255, 0.05);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.8rem;
}

.lui-dialog-btn-cancel:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Dialog Theme Variants */
.lui-dialog-info {
  --dialog-border: var(--cyber-cyan);
  --dialog-color: var(--cyber-cyan);
  --dialog-glow: var(--cyber-cyan-glow);
  --dialog-btn-bg: var(--cyber-cyan);
}
.lui-dialog-success {
  --dialog-border: var(--cyber-green);
  --dialog-color: var(--cyber-green);
  --dialog-glow: var(--cyber-green-glow);
  --dialog-btn-bg: var(--cyber-green);
}
.lui-dialog-warning {
  --dialog-border: var(--cyber-orange);
  --dialog-color: var(--cyber-orange);
  --dialog-glow: var(--cyber-orange-glow);
  --dialog-btn-bg: var(--cyber-orange);
}
.lui-dialog-error, .lui-dialog-danger {
  --dialog-border: var(--cyber-rose);
  --dialog-color: var(--cyber-rose);
  --dialog-glow: var(--cyber-rose-glow);
  --dialog-btn-bg: var(--cyber-rose);
}

/* Mobile Responsive */
@media (max-width: 480px) {
  .lui-dialog-card {
    padding: 20px 18px 18px;
    border-radius: 16px;
  }
  .lui-dialog-actions {
    flex-direction: column-reverse;
    width: 100%;
  }
  .lui-dialog-btn {
    width: 100%;
    min-height: 44px;
  }
}